Packages April 2011

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The Trunk: Morphic-ul.527.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

Levente Uzonyi uploaded a new version of Morphic to project The Trunk: http://source.squeak.org/trunk/Morphic-ul.527.mcz ==================== Summary ==================== Name: Morphic-ul.527 Author: ul Time: 2 April 2011, 1:36:51.526 am UUID: d571ac0f-9ba7-3042-8746-7222f60f5cb5 Ancestors: Morphic-nice.526, Morphic-ul.526 merged =============== Diff against Morphic-nice.526 =============== Item was added: + ----- Method: TextEditor>>model (in category 'accessing') ----- + model + + ^model! Item was changed: ----- Method: TextEditor>>referencesToIt (in category 'menu messages') ----- referencesToIt "Open a references browser on the selected symbol" + | symbol environment binding | - | aSymbol | self selectLine. + symbol := self selectedSymbol ifNil: [ ^morph flash ]. + environment := (model respondsTo: #selectedClassOrMetaClass) + ifTrue: [ model selectedClassOrMetaClass ifNil: [ Smalltalk globals ] ] + ifFalse: [ Smalltalk globals ]. + binding := (environment bindingOf: symbol) ifNil: [ ^morph flash ]. + self systemNavigation browseAllCallsOn: binding! - ((aSymbol := self selectedSymbol) == nil or: - [(Smalltalk globals includesKey: aSymbol) not]) - ifTrue: [^ morph flash]. - - self systemNavigation browseAllCallsOn: (Smalltalk globals associationAt: self selectedSymbol)!

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The Trunk: Morphic-ul.527.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

1 0

The Trunk: Compiler-ul.204.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

Levente Uzonyi uploaded a new version of Compiler to project The Trunk: http://source.squeak.org/trunk/Compiler-ul.204.mcz ==================== Summary ==================== Name: Compiler-ul.204 Author: ul Time: 2 April 2011, 12:53:54.869 am UUID: 9a4461b2-a9c8-1a4e-82bc-40d15ff7ac7c Ancestors: Compiler-ul.203 Scanner changes: - added a new class variable DoItCharacter. All checks for doIt characters (30) should use this. (part 2) - reuse buffer in #xDoubleQuote instead of a custom stream =============== Diff against Compiler-ul.203 =============== Item was changed: ----- Method: Scanner>>scanToken (in category 'expression types') ----- scanToken [(tokenType := self typeTableAt: hereChar) == #xDelimiter] whileTrue: [self step]. "Skip delimiters fast, there almost always is one." + mark := (aheadChar == DoItCharacter and: [source atEnd]) - mark := (aheadChar asciiValue = 30 and: [source atEnd]) ifTrue: [source position] ifFalse: [source position - 1]. (tokenType at: 1) == $x "x as first letter" ifTrue: [self perform: tokenType "means perform to compute token & type"] ifFalse: [token := self step asSymbol "else just unique the first char"]. ^token! Item was changed: ----- Method: Scanner>>step (in category 'expression types') ----- step | c | c := hereChar. hereChar := aheadChar. source atEnd + ifTrue: [aheadChar := DoItCharacter] - ifTrue: [aheadChar := 30 asCharacter "doit"] ifFalse: [aheadChar := source next]. ^c! Item was changed: ----- Method: Scanner>>xDigit (in category 'multi-character scans') ----- xDigit "Form a number." tokenType := #number. + (aheadChar == DoItCharacter and: [source atEnd + and: [source skip: -1. source next ~~ DoItCharacter]]) - (aheadChar asciiValue = 30 and: [source atEnd - and: [source skip: -1. source next asciiValue ~= 30]]) ifTrue: [source skip: -1 "Read off the end last time"] ifFalse: [source skip: -2]. token := (SqNumberParser on: source) failBlock: [:errorString :position | self notify: errorString at:position]; nextNumber. self step; step! Item was changed: ----- Method: Scanner>>xDoubleQuote (in category 'multi-character scans') ----- xDoubleQuote "Collect a comment." "wod 1/10/98: Allow 'empty' comments by testing the first character for $"" rather than blindly adding it to the comment being collected." + + buffer reset. + self step. + [ hereChar == $" ] whileFalse: [ + (hereChar == DoItCharacter and: [ source atEnd ]) ifTrue: [ + ^self offEnd: 'Unmatched comment quote' ]. + buffer nextPut: self step ]. + self step. + (currentComment ifNil: [ + currentComment := OrderedCollection new ]) + add: buffer contents. + self scanToken! - | aStream stopChar | - stopChar := 30 asCharacter. - aStream := WriteStream on: (String new: 200). - self step. - [hereChar == $"] - whileFalse: - [(hereChar == stopChar and: [source atEnd]) - ifTrue: [^self offEnd: 'Unmatched comment quote']. - aStream nextPut: self step.]. - self step. - currentComment == nil - ifTrue: [currentComment := OrderedCollection with: aStream - contents] - ifFalse: [currentComment add: aStream contents]. - self scanToken! Item was changed: ----- Method: Scanner>>xSingleQuote (in category 'multi-character scans') ----- xSingleQuote "String." self step. buffer reset. [hereChar == $' and: [aheadChar == $' ifTrue: [self step. false] ifFalse: [true]]] whileFalse: [buffer nextPut: self step. + (hereChar == DoItCharacter and: [source atEnd]) - (hereChar asciiValue = 30 and: [source atEnd]) ifTrue: [^self offEnd: 'Unmatched string quote']]. self step. token := buffer contents. tokenType := #string!

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The Trunk: Compiler-ul.204.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

1 0

The Trunk: Compiler-ul.204.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

1 0

The Trunk: Compiler-ul.203.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

Levente Uzonyi uploaded a new version of Compiler to project The Trunk: http://source.squeak.org/trunk/Compiler-ul.203.mcz ==================== Summary ==================== Name: Compiler-ul.203 Author: ul Time: 2 April 2011, 12:50:39.599 am UUID: 9817f32d-943f-4745-81b8-0ecaeec259d4 Ancestors: Compiler-ul.202 Scanner changes: - introduced #character type for characters instead of #number (part 2) - updated comment - added a new class variable DoItCharacter. All checks for doIt characters (30) should use this. (part 1) - moved TypeTable initialization to a separate method - instance creation uses the common #initialize method instead of #initScanner - removed #initScanner and the class side #new - use #== instead of #= for symbol and character comparison - use #repeat instead of true and #whileTrue for loops - use #and: instead of #& =============== Diff against Compiler-ul.202 =============== Item was changed: Object subclass: #Scanner instanceVariableNames: 'source mark hereChar aheadChar token tokenType currentComment buffer typeTable' + classVariableNames: 'AllowUnderscoreAssignments AllowUnderscoreSelectors DoItCharacter TypeTable' - classVariableNames: 'AllowUnderscoreAssignments AllowUnderscoreSelectors TypeTable' poolDictionaries: '' category: 'Compiler-Kernel'! + !Scanner commentStamp: 'ul 3/27/2011 23:24' prior: 0! + I scan a string or text, picking out Smalltalk syntactic tokens. I look one character ahead. I put each token found into the instance variable, token, and its type (a Symbol) into the variable, tokenType. At the end of the input stream, I pretend to see an endless sequence of special characters called doIts. + + Instance Variables + aheadChar: <Character> + buffer: <WriteStream> + currentComment: <OrderedCollection> + hereChar: <Character> + mark: <Integer> + source: <ReadStream> + token: <Symbol|String|NumberCharacter|Boolean|nil> + tokenType: <Symbol> + typeTable: <Array> + + aheadChar + - the next character in the input stream + + buffer + - a reusable WriteStream on a String which is used for building strings. Shouldn't be used from multiple methods without resetting. + + currentComment + - an OrderedCollection of strings which contain all comments between the current token and the previous token or the beginning of the source. + + hereChar + - the current character + + mark + - the position of the current token in the source stream + + source + - xxxxx + + token + - the current token + + tokenType + - the type of the current token. The possible token types are: #binary, #character, #colon, #doIt, #keyword, #leftArrow, #leftBrace, #leftBracket, #leftParenthesis, #literal, #period, #rightBrace, #rightBracket, #rightParenthesis, #semicolon, #string, #upArrow, #verticalBar, #word, #xBinary, #xColon, #xDelimiter, #xDigit, #xDollar, #xDoubleQuote, #xLetter, #xLitQuote, #xSingleQuote, #xUnderscore + + typeTable + - an array that maps each an evaluable tokenType to each character with asciiValue between 0 and 255! - !Scanner commentStamp: '<historical>' prior: 0! - I scan a string or text, picking out Smalltalk syntactic tokens. I look one character ahead. I put each token found into the instance variable, token, and its type (a Symbol) into the variable, tokenType. At the end of the input stream, I pretend to see an endless sequence of special characters called doits.! Item was changed: ----- Method: Scanner class>>initialize (in category 'initialization') ----- initialize + + self initializeTypeTable. + DoItCharacter := Character value: 30! - | newTable | - newTable := Array new: 256 withAll: #xBinary. "default" - newTable atAll: #(9 10 12 13 32 ) put: #xDelimiter. "tab lf ff cr space" - newTable atAll: ($0 asciiValue to: $9 asciiValue) put: #xDigit. - - 1 to: 255 - do: [:index | - (Character value: index) isLetter - ifTrue: [newTable at: index put: #xLetter]]. - - newTable at: 30 put: #doIt. - newTable at: $" asciiValue put: #xDoubleQuote. - newTable at: $# asciiValue put: #xLitQuote. - newTable at: $$ asciiValue put: #xDollar. - newTable at: $' asciiValue put: #xSingleQuote. - newTable at: $: asciiValue put: #xColon. - newTable at: $( asciiValue put: #leftParenthesis. - newTable at: $) asciiValue put: #rightParenthesis. - newTable at: $. asciiValue put: #period. - newTable at: $; asciiValue put: #semicolon. - newTable at: $[ asciiValue put: #leftBracket. - newTable at: $] asciiValue put: #rightBracket. - newTable at: ${ asciiValue put: #leftBrace. - newTable at: $} asciiValue put: #rightBrace. - newTable at: $^ asciiValue put: #upArrow. - newTable at: $_ asciiValue put: #xUnderscore. - newTable at: $| asciiValue put: #verticalBar. - TypeTable := newTable "bon voyage!!" - - "Scanner initialize"! Item was added: + ----- Method: Scanner class>>initializeTypeTable (in category 'initialization') ----- + initializeTypeTable + "self initializeTypeTable" + + | newTable | + newTable := Array new: 256 withAll: #xBinary. "default" + newTable atAll: #(9 10 12 13 32 ) put: #xDelimiter. "tab lf ff cr space" + newTable atAll: ($0 asciiValue to: $9 asciiValue) put: #xDigit. + + 1 to: 255 + do: [:index | + (Character value: index) isLetter + ifTrue: [newTable at: index put: #xLetter]]. + + newTable at: 30 put: #doIt. + newTable at: $" asciiValue put: #xDoubleQuote. + newTable at: $# asciiValue put: #xLitQuote. + newTable at: $$ asciiValue put: #xDollar. + newTable at: $' asciiValue put: #xSingleQuote. + newTable at: $: asciiValue put: #xColon. + newTable at: $( asciiValue put: #leftParenthesis. + newTable at: $) asciiValue put: #rightParenthesis. + newTable at: $. asciiValue put: #period. + newTable at: $; asciiValue put: #semicolon. + newTable at: $[ asciiValue put: #leftBracket. + newTable at: $] asciiValue put: #rightBracket. + newTable at: ${ asciiValue put: #leftBrace. + newTable at: $} asciiValue put: #rightBrace. + newTable at: $^ asciiValue put: #upArrow. + newTable at: $_ asciiValue put: #xUnderscore. + newTable at: $| asciiValue put: #verticalBar. + TypeTable := newTable "bon voyage!!"! Item was removed: - ----- Method: Scanner class>>new (in category 'instance creation') ----- - new - - ^self basicNew initScanner! Item was removed: - ----- Method: Scanner>>initScanner (in category 'initialize-release') ----- - initScanner - - buffer := WriteStream on: (String new: 40). - typeTable := TypeTable! Item was added: + ----- Method: Scanner>>initialize (in category 'initialize-release') ----- + initialize + + super initialize. + buffer := WriteStream on: (String new: 40). + typeTable := TypeTable! Item was changed: ----- Method: Scanner>>scanAllTokenPositionsInto: (in category 'expression types') ----- scanAllTokenPositionsInto: aBlock "Evaluate aBlock with the start and end positions of all separate non-white-space tokens, including comments." | lastMark | lastMark := 1. [currentComment ifNotNil: [currentComment do: [:cmnt| | idx | idx := source originalContents indexOfSubCollection: cmnt startingAt: lastMark. (idx > 0 and: [idx < mark]) ifTrue: [aBlock value: idx - 1 value: (lastMark := idx + cmnt size)]]. currentComment := nil]. mark ifNotNil: [(token == #- and: [(self typeTableAt: hereChar) == #xDigit]) ifTrue: [| savedMark | savedMark := mark. self scanToken. token := token negated. mark := savedMark]. "Compensate for the fact that the parser uses two character lookahead. Normally we must remove the extra two characters. But this mustn't happen for the last token at the end of stream." aBlock value: mark value: (source atEnd ifTrue: [tokenType := #doIt. "to cause an immediate ^self" source position] ifFalse: [source position - 2])]. (tokenType == #rightParenthesis or: [tokenType == #doIt]) ifTrue: [^self]. tokenType == #leftParenthesis ifTrue: [self scanToken; scanAllTokenPositionsInto: aBlock] ifFalse: + [(tokenType == #word or: [tokenType == #keyword or: [tokenType == #colon]]) - [(tokenType == #word or: [tokenType == #keyword or: [tokenType = #colon]]) ifTrue: [self scanLitWord. token == #true ifTrue: [token := true]. token == #false ifTrue: [token := false]. token == #nil ifTrue: [token := nil]] ifFalse: [(token == #- and: [(self typeTableAt: hereChar) == #xDigit]) ifTrue: [self scanToken. token := token negated]]]. + self scanToken ] repeat! - self scanToken. - true] whileTrue! Item was changed: ----- Method: Scanner>>scanFieldNames: (in category 'public access') ----- scanFieldNames: stringOrArray "Answer an Array of Strings that are the identifiers in the input string, stringOrArray. If passed an Array, just answer with that Array, i.e., assume it has already been scanned." | strm | (stringOrArray isMemberOf: Array) ifTrue: [^stringOrArray]. self scan: (ReadStream on: stringOrArray asString). strm := WriteStream on: (Array new: 10). + [tokenType == #doIt] - [tokenType = #doIt] whileFalse: + [tokenType == #word ifTrue: [strm nextPut: token]. - [tokenType = #word ifTrue: [strm nextPut: token]. self scanToken]. ^strm contents "Scanner new scanFieldNames: 'abc def ghi' ('abc' 'def' 'ghi' )"! Item was changed: ----- Method: Scanner>>scanMessageParts: (in category 'public access') ----- scanMessageParts: sourceString "Return an array of the form (comment keyword comment arg comment keyword comment arg comment) for the message pattern of this method. Courtesy of Ted Kaehler, June 1999" | coll nonKeywords | coll := OrderedCollection new. self scan: (ReadStream on: sourceString asString). nonKeywords := 0. + [tokenType == #doIt] whileFalse: - [tokenType = #doIt] whileFalse: [(currentComment == nil or: [currentComment isEmpty]) ifTrue: [coll addLast: nil] ifFalse: [coll addLast: currentComment removeFirst. [currentComment isEmpty] whileFalse: [coll at: coll size put: (coll last, ' ', currentComment removeFirst)]]. + (token numArgs < 1 or: [token = #| and: [ coll size > 1 ] ]) - (token numArgs < 1 or: [(token = #|) & (coll size > 1)]) ifTrue: [(nonKeywords := nonKeywords + 1) > 1 ifTrue: [^ coll]] "done with header" ifFalse: [nonKeywords := 0]. coll addLast: token. self scanToken]. (currentComment == nil or: [currentComment isEmpty]) ifTrue: [coll addLast: nil] ifFalse: [coll addLast: currentComment removeFirst. [currentComment isEmpty] whileFalse: [ coll at: coll size put: (coll last, ' ', currentComment removeFirst)]]. ^ coll! Item was changed: ----- Method: Scanner>>scanStringStruct (in category 'expression types') ----- scanStringStruct | s | s := WriteStream on: (Array new: 16). + [tokenType == #rightParenthesis or: [tokenType == #doIt]] - [tokenType = #rightParenthesis or: [tokenType = #doIt]] whileFalse: + [tokenType == #leftParenthesis - [tokenType = #leftParenthesis ifTrue: [self scanToken; scanStringStruct] ifFalse: + [tokenType == #word ifFalse: - [tokenType = #word ifFalse: [^self error: 'only words and parens allowed']]. s nextPut: token. self scanToken]. token := s contents! Item was changed: ----- Method: Scanner>>typedScanTokens: (in category 'public access') ----- typedScanTokens: textOrString "Answer an Array that has been tokenized with literals mapped to literals, special characters mapped to symbols and variable names and keywords to strings. This methiod accepts _ (underscore) as an assignment token irrespective of whether the system prefers := as the assignment token." | s | self initScannerForTokenization. self scan: (ReadStream on: textOrString asString). s := WriteStream on: (Array new: 16). + [tokenType == #doIt] whileFalse: - [tokenType = #doIt] whileFalse: [(token == #- + and: [(self typeTableAt: hereChar) == #xDigit]) ifTrue: - and: [(self typeTableAt: hereChar) = #xDigit]) ifTrue: [self scanToken. token := token negated]. s nextPut: token. self scanToken]. ^s contents "Scanner new typedScanTokens: (Scanner sourceCodeAt: #typedScanTokens:)"! Item was changed: ----- Method: Scanner>>xColon (in category 'multi-character scans') ----- xColon "Allow := for assignment" + aheadChar == $= ifTrue: - aheadChar = $= ifTrue: [self step. tokenType := #leftArrow. self step. ^ token := #':=']. "Otherwise, just do what normal scan of colon would do" tokenType := #colon. ^ token := self step asSymbol! Item was changed: ----- Method: Scanner>>xDollar (in category 'multi-character scans') ----- xDollar "Form a Character literal." self step. "pass over $" token := self step. + tokenType := #character! - tokenType := #number "really should be Char, but rest of compiler doesn't know"!

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The Trunk: Compiler-ul.203.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

1 0

The Trunk: Compiler-ul.203.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

1 0

The Trunk: Compiler-ul.202.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

Levente Uzonyi uploaded a new version of Compiler to project The Trunk: http://source.squeak.org/trunk/Compiler-ul.202.mcz ==================== Summary ==================== Name: Compiler-ul.202 Author: ul Time: 2 April 2011, 12:44:12.796 am UUID: e7e9151c-c2e9-b14a-bb57-68e6ea8daea5 Ancestors: Compiler-nice.201 - reject literals with superfluous # at the beginning, like #$a #123 ##foo ##(1 2 3), etc - introduced #character type for characters instead of #number (part 1) =============== Diff against Compiler-nice.201 =============== Item was changed: ----- Method: Parser>>pragmaLiteral: (in category 'pragmas') ----- pragmaLiteral: selectorSoFar "Read a pragma literal. As a nicety we allow a variable name (rather than a literal string) as the second argument to primitive:error:" + (hereType == #string or: [ hereType == #literal or: [ hereType == #number or: [ hereType == #character ] ] ]) - (hereType == #string or: [ hereType == #literal or: [ hereType == #number ] ]) ifTrue: [ ^ self advance ]. (here == $# and: [ tokenType == #word ]) ifTrue: [ ^ self advance ]. (here == #- and: [ tokenType == #number ]) ifTrue: [ ^ (self advance; advance) negated ]. (here = 'true' or: [ here = 'false' or: [ here = 'nil' ] ]) ifTrue: [ ^ Compiler evaluate: self advance ]. "This nicety allows one to supply a primitive error temp as a variable name, rather than a string." ((selectorSoFar beginsWith: 'primitive:') and: [(selectorSoFar endsWith: 'error:') and: [hereType == #word]]) ifTrue: [^self advance]. ^self expected: 'Literal constant'! Item was changed: ----- Method: Parser>>primaryExpression (in category 'expression types') ----- primaryExpression hereType == #word ifTrue: [parseNode := self variable. (parseNode isUndefTemp and: [self interactive]) ifTrue: [self queryUndefined]. parseNode nowHasRef. ^ true]. hereType == #leftBracket ifTrue: [self advance. self blockExpression. ^true]. hereType == #leftBrace ifTrue: [self braceExpression. ^true]. hereType == #leftParenthesis ifTrue: [self advance. self expression ifFalse: [^self expected: 'expression']. (self match: #rightParenthesis) ifFalse: [^self expected: 'right parenthesis']. ^true]. + (hereType == #string or: [hereType == #number or: [hereType == #literal or: [hereType == #character]]]) - (hereType == #string or: [hereType == #number or: [hereType == #literal]]) ifTrue: [parseNode := encoder encodeLiteral: self advance. ^true]. (here == #- and: [tokenType == #number and: [1 + hereEnd = mark]]) ifTrue: [self advance. parseNode := encoder encodeLiteral: self advance negated. ^true]. ^false! Item was changed: ----- Method: Scanner>>xLitQuote (in category 'multi-character scans') ----- xLitQuote "Symbols and vectors: #(1 (4 5) 2 3) #ifTrue:ifFalse: #'abc'." | start | start := mark. self step. "litQuote" self scanToken. tokenType == #leftParenthesis ifTrue: [self scanToken; scanLitVec. mark := start + 1. tokenType == #doIt ifTrue: [self offEnd: 'Unmatched parenthesis']] ifFalse: [tokenType == #leftBracket ifTrue: [self scanToken; scanLitByteVec. mark := start + 1. tokenType == #doIt ifTrue: [self offEnd: 'Unmatched bracket']] ifFalse: [(tokenType == #word or: [tokenType == #keyword or: [tokenType == #colon]]) ifTrue: [self scanLitWord] + ifFalse: [tokenType == #string + ifTrue: [token := token asSymbol] + ifFalse: [(tokenType == #binary or: [ tokenType == #verticalBar ]) + ifFalse: [self notify: 'Invalid literal character' at: start + 1]]]]]. - ifFalse: ["tokenType == #literal - ifTrue: [token isSymbol - ifTrue: [""##word"" - token := token - ""May want to move toward ANSI - here ""]] - ifFalse: ["tokenType == #string - ifTrue: [token := token asSymbol]"]"]]]. mark := start. tokenType := #literal "#(Pen) #Pen #'Pen' ##Pen ###Pen "!

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The Trunk: Compiler-ul.202.mcz
by commits＠source.squeak.org 02 Apr '11

02 Apr '11

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Packages April 2011